It's a series of games where you're the president of a Caribbean island. It's a lot of fun, and you can get Tropico 3&4 on Steam, along with Sine Mora, Anna: Extended Edition, SkyDrift, AND Jagged Alliance: Back in Action in the Humble Weekly Sale right now for $6, or $1 for everything except Tropico 4 and Jagged Alliance: Back in Action.